SUMMARY:

• Around 8 years of IT experience as UNIX System Administrator in a diverse, distributed and networked multiplatform environment.
• Expertise in application, maintenance and support of Linux/UNIX/AIX production, test and development servers.
• Strong knowledge of server hardware, vendor and project management skills.
• Troubleshoot hardware issue on HP Proliant DL 585, BL 460c G6 Blade, DL 380 G7,G6 Servers.
• Proficient in configuring TCP/IP, DNS, NFS, NIS, NIS+, LDAP, SSH, SMTP, SNMP etc.
• Efficiency in installing, configuring and implementing the RAID technologies using various tools like Veritas volume manager and File System, VCS 4.1,5.1.
• Extensive experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different UNIX platforms like Sun Solaris 10,Red Hat Linux 4, 5, 6, HP - UX, AIX, Windows system software and hardware
• Experienced in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Closely worked with DBA Team for Oracle Installation and Oracle Performance Tuning.
• Competent in troubleshooting a broad range of hardware issues, fault analysis.
• Performance monitoring and capacity planning.
• Backup using VERITAS Net Backup.
• Plan, document and support high availability, data replication, business persistence, fail-over, fail-back and using VERITAS Cluster Server in SAN environment
• Excellent ability to handle significant workload with experience in managing multiple projects concurrently in a matrix process environment
• Expert in documentation and management of standard operating procedures, test plans and providing the best practices for the processes.
• Effective communication skills developed through continuous interaction with global clients and internal management and motivating team player.

TECHNICAL SKILLS:

Networking: NFS, AutoFS, NIS, DNS, DHCP, LAN, WAN

OS: Red Hat Linux 4.x, 5.x 6.x, SUSE,IBM-AIX 5.3, 6.1,7.1, SUN Solaris … Server 2000 and 2003, Windows … Windows Vista and Windows 7

Databases: Oracle, SybaseHardware HP Proliant DL 585, BL … 460c G6 Blade, DL 380 G7,G6 Servers. SPSSPARCSTATION (10,20), ULTRA (2, 5, 20), SUNFIRE (V100, 240, V480, 280R), M5000 and T2000 servers, DELL Power EdgeServers, EMC Storage Arrays, Cisco routers … series and switches, 3COM hubs, peripheral devices (printers,modems)Utility Packages VERITAS Volume manager (v4.x, 5.x) VXVM, Solaris VolumeManager, VERITAS Cluster Server (v 4.x, 5.x) VCS, VERITAS File system VXFS (v4.x, 5.x) Admintool,RemoteAdmin.

Protocol: TCP/IP, IPX/SPX, FTP, HTTP, ARP, RARP, UDP, Telnet, andRouting Protocols.

Security: Secure Shells, SSH, SCP, SUDO

Languages: shell Programming

Virtualization Tools: VMWARE

Webservers: Apache

Migration Tools: Tar, Rsync

PROFESSIONAL EXPERIENCE:

UNIX Administrator

Confidential, Fort Worth, TX

Responsibilities:

• Part of Global service operations support team supporting across all UNIX / Linux / AIX physical and virtual servers globally.
• Troubleshooting operating system and server hardware issues at a Level 2 skill set.
• Ability to collaborate with Level 3 and other GSO support teams when issues arise that requires additional support. (Priority one issues)
• Supporting all service delivery resiliency, efficiency and Audit programs tied to compliance around server maintenance.
• Following JMPC engineering standards and products which are integrated across the Windows physical and virtual platforms
• Implementing, measuring, and improving all processes, procedures, and activities required to ensure maximum availability, utility, flexibility, and responsiveness of the production environment
• Part of vendor engagement model.
• Responsible managing and administering the servers onsite and remotely
• Troubleshooting hardware issue on HP Proliant DL 585, BL 465/485, 460c G6 Blade, DL 380 G7, G6 Servers. Helped the hardware team in replacing the blade, HBA card, and Nic cards, circuit boards.
• Advanced Installation of Redhat/SUSE Linux by remotely.
• System performance evaluation, monitoring and troubleshooting using tools top, vmstat, iostat, netstat commands.
• Closely coordinated with SAN team for storage migration, fabric issues, Multipath/DM issue. ery good working experience under high stress of critical production related issues where everymilli seconds counts.
• Evaluating all the servers email notifications. Checking the health of the systems if we receive any error messages from the servers, guide our first level support to resolve problems on initial stage.
• Implemented network security to various UNIX services, test the software functionality and security administration of the Linux servers
• Creating and resolving user's access issues (Role access, netgroups, FTP etc.,)
• Creating maint log and inform the higher management to inform the unplanned server outages and planned change activities.
• Reviewing system log files for errors. Setting up cron jobs for backups and monitoring processes.
• Monitoring and troubleshooting servers and application performance issues
• Updating Shift handover with all the problems occurred in the shift and open issues.
• Creating tickets with Storage team and resolve any Storage performance issues.
• Working on approved change requests (Configuration changes, file system growing, etc.,)
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto - mounting mapping as per system / user requirements.
• Involved in Planning, building, Administration and Troubleshooting of various High Availability clusters and heart beat checking on Redhat Linux and Sun Solaris using VCS 4.1 in heterogeneous SAN environment.
• Maintaining, applying changes and fail-over schedules of HA servers
• RPM and YUM package installations, patch and other server management.
• Troubleshot backup and restore problems and constant monitoring of system performance

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485, ML Series), Solaris 8,9,10,AIX 5.3, 6.1, SAN(Netapp), BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, VMware Infrastructure 3.5.

UNIX Administrator

Confidential, Princeton, NJ

Responsibilities:

• Administration of RHEL 5, 6 and Solaris 9, 10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Installed Redhat Linux using kick start, installed packages, patches applyed security policies for hardening the server based on the company's policies.
• Jumpstart Solaris servers, custom configure, install packages, patches, harden, installing using flar images.
• Created LDOMs, installed Solaris, created volumes, installed packages. Created Zetabyte file system (ZFS)in Solaris 10. Creating Zones, zpools and adding resources like network, file systems.
• Installed, configured, custom building Oracle10g, Oracle RAC 11g and preparing servers for databaseinstallation which includes adding kernel parameters, software installation, permissionsetc.
• Worked on creating disk groups, volumes, deporting, importing disk groups using veritas volume manager5.1.
• Upgraded Veritas volume manager from 5.0 to 5.1 SP1
• Post build setup on Linux and Windows servers including installing and configuring COPS, TLM, NTP, Sendmail, VMware Tools.
• Installed, Configured and Troubleshoot of Veritas Cluster Server 5.1 SP1 for MQM, Oracle 11g and differentweb Applications
• Installed, configured, administered Veritas Cluster Server 5.0, creating service groups, adding resources,enabling attributes, testing fail - over.
• Installed, configured, administered Apache and supporting them on Linux production servers.
• Troubleshoot Linux network, security related issues, capturing packets using tools such as IPtables, firewall,TCP wrappers, NMAP.
• Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostatetc) and tuned I/O, memory, etc.

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485, ML Series), Solaris 8,9,10,AIX 5.3, 6.1, SAN(Netapp), BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming,Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, VMware Infrastructure 3.5.

AIX Technical Support Engineer

Confidential, Township of Warren, NJ

Responsibilities:

• Created PMRs upon customer's request and understanding the problem, providing the solutions to the customer's problem and closing the PMRs.
• Discussed and explain technical situations and scenarios with customers, coworkers and IBM management.
• Supported various versions of AIX 5.3, 6.1, 7.1.
• Supported all areas of AIX operating system including installing, LVM, Virtualization, configuring TCPIP, rebuilding the system, restoring from backup tape, monitoring the performance of the AIX machine, reading system dumps, Perf PMR and Snap Data.
• Troubleshoot TL and service pack Installation issue, fixing broken file sets and deleting the file set from the ODM.
• Troubleshoot backup failure, backup restore issues.
• Supported and Troubleshoot Installation issues of AIX using mksysb, Base media, taking VIOS backup, VIOC backups and restore through NIM server.
• Troubleshoot HMC backup, upgrade and restore issues.
• Supported and Troubleshoot NPIV, VSCSI and disk mapping issues.
• Supported pSeries p5, p6 and p7 AIX hardware architectures.
• Installed and replaced new hard drives, memory, Controllers and adapters.
• Troubleshoot bad rootvg and datavg disk on the servers.
• Investigate and troubleshoot server down, server crash and sever hang issues.
• Troubleshoot corrupted filesystem, mount point and NFS mount issue.

Environment: IBM Power Systems - P7 p750/720, P6 p 570/550/520/510 , P 5 550/520/510 IBM AIX 5.3, 6.1.7.1 VIOS - 2.1/2.2

UNIX Administrator

Confidential, Chicago, IL

Responsibilities:

• Installed Solaris and Linux created user logins, administering the system performance and monitoring useractivities.
• Building and configuring Solaris 8/10, Red hat Linux using Jump start server using Kick Start server asrequired for the project.
• Closely coordinated with SAN team for storage, fabric issues. Upgrading Emulex cards, firmware for HBAto the current revision levels.
• Installed VERITAS volume manager and implemented various RAID levels, logical volume creation, mirroringand file systems
• Installation, configuration and maintenance DNS servers, Mail servers, NFS and NIS on Sun Solaris servers
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto - mountingmapping as per system / user requirements.
• Installation and configuration VERITAS Net Backup5.1 and performing restore activities.
• Involved in Planning, building and Administration of various High Availability clusters and heart beat checkingon Sun Solaris using VCS 4.1 in heterogeneous SAN environment.
• Maintaining, applying changes and fail-over schedules of HA servers.
• Reviewing system log files for errors. Setting up cron jobs for backups and monitoring processes.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactivemaintenance and Secure Shell (SSH) implementation.
• Participate in installing and configuring of UNIX/Linux based Oracle 10g products.
• Server Virtualization using Solaris Containers (zones) and VMware.
• Wrote various UNIX Korn and Bourne shell scripts to probe network backbone equipment and provide vitalstatistics about the availability and responsiveness of the network.

Environment: Solaris, RHEL, Jumpstart/Kickstart, SAN-HBA, RAID, DNS, NFS, NIS, Sendmail, Veritas Suite,HA, Oracle, Zones, VMware, Sun Fire Servers - E15k, 1280, 6900, V440, V490, V880, HP Proliant Machines.

UNIX Administrator

Confidential

Responsibilities:

• Day - to-day administration on Sun Solaris 8/9/10, Redhat Linux 4, 5 which includes installation, testing, tuning,upgrading and loading patches, troubleshooting server problems.
• Installed new software releases. Redhat Linux Kick start Installation - Sun Solaris Jump start Installation.
• RPM and YUM package installations, patch and other server management.
• Installed AIX 5.x using NIM on p series servers, applying packages, patches, configuring volumes.
• Creating VIO servers, LPARs, adding resources, installing AIX on p550 and p570 servers.
• Managed systems routine backup and restoring, scheduling jobs.
• Installed/ upgraded patches, firmware (OBP), and security (Kernel) patches for all applications in installedinfrastructure.
• Adding software Packages and Kernel level Patches for up gradation and migration of systems from Solaris9 to Solaris 10.
• Installed and maintained the Oracle 10g with RHEL 4 OS updated them with the required configuration basedon the prep and config document.
• Regular disk management like adding / replacing hot swappable drives on existing servers workstations,partitioning according to requirements, creating new file systems or growing existing one over the hard drivesand managing file systems.
• Diagnosing hardware/software problems and provide solutions, creating zones.
• Perform daily maintenance routines on SUN servers, monitoring system access, managing file space andtuning the system for optimum performance.
• Trouble shooting SUN Faulty Management using SFM on Sun Solaris.
• Installation, Configuration and Troubleshooting of HP Servers of Blade, DL and ML Series Servers withRedhat and Solaris installed.
• Strong experience in setting up user and group login ID's, printing parameters, network configuration,password, resolving permissions issues, user and group quota, booting issues, login issues.
• Creation of Zones, Containers and adding resource pools to the Containers in Solaris 10.
• Installed and configured Send Mail server for automated mails for completed backup process.
• Configured, Complied and Installed Apache 2.0 web server.
• Applying security policies and managing disaster recovery.
• Installing, configuring, deploying Websphere 6.1, JBoss 4.2 application servers on both Sun and Linux boxes.
• Worked on a project where centrify is installed, configured and joining servers to the domain.

Environment: Sun Servers (Sun Fire 280R, V1280, E2900, E6900 and E25K), Red-Hat Linux Enterpriseservers (HP ML and DL), Veritas Volume Manager 3.5, Oracle 10g, Webshpere 6.1, EMC Symmetrix andClarion, Solaris 8/9/10, Windows 2000/2003 servers, MS Office, Shell programming.